1. Department of Computer Engineering, Fouman and Shaft Branch, Islamic Azad University, Fouman, Iran. E-mail: samotamed@yahoo.com
2. Department of Medical Radiation, Faculty of Energy Engineering and Physics, Amirkabir University of Technology, Tehran, Iran. E-mail: setayesh@aut.ac.ir
3. Department of Computer Science, Dolatabad Branch, Islamic Azad University, Isfahan, Iran. E-mail: azrabiee@gmail.com